The 1st Relining Solution for District Heating Pipes
Fast
Use existing manholes or small trenches to enter and exit pipes, and have it replaced in days instead of months. There is no need for new routes or excavating long sections. There is no need for cumbersome and lengthy processes to apply for permits and plan for digging up streets. The process to replace old pipes can now be done in weeks rather than years.
Simple
Using CarboSeal, the pipe can be renewed from the inside. Instead of planning and digging up whole streets, existing manholes or small trenches can be used to renew the whole network. The minimal impact on activities overhead makes it easy to replace even the most challenging pipes under roads with heavy traffic, busy shopping streets, rail lines, or water.
Sustainable
No-Dig, no Interference
Trenchless Rehabilitation Solution
CarboSeal is a unique solution for rehabilitating district heating pipes that are structurally unsound. This non-invasive method ensures that pipe renewal will have minimal impact on the immediate surroundings, leaving other networks and structures in and on the ground unharmed.
Closing a Gap in the Market
Relining for District Heating
New from Old
Taking over the Workload of the Host Pipe
03
Up-to-Date
CarboSeal News
CarboSeal passes the Test in Neumünster, Germany
Thanks to AGFW and Stadtwerke Neumünster, PPR had the opportunity to install CarboSeal on a 40 meter long test track and show the potential of the district heating liner.
Norrenergi uses sustainable no-dig method to renew district heating pipes in Stockholm.
Norrenergi renewed a pipe section in Stockholm without excavating and replacing the old pipes with CarboSeal.
Simple, Fast and Sustainable Renewal of District Heating Pipes
The PPR team and its partners are proud to present CarboSeal®, which will help District Heating companies to fix leaking pipe systems and renew their networks in a fast, simple and sustainable way.
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Proprietary version of TeXtreme fabric guarantees high-quality cured liner, free of microcracks and matched to host-pipe heat expansion properties.
2 of 5 Resin Unique resin can withstand operating temperatures of up to 130°C over a long period of time. Applied using a proprietary process to produce a void-free liner. 3 of 5 Outer film Special thermoplastic foil guarantees smooth and safe product installation and handling. 4 of 5 Host pipeHost pipe made of steel.
5 of 5
Inner film
Special thermoplastic foil guarantees steam curing and subsequent removal with no issues.
1 of 5 2Carbon fiber layers
Proprietary version of TeXtreme fabric guarantees high-quality cured liner, free of microcracks and matched to host-pipe heat expansion properties.
2 of 5 3Resin
Unique resin can withstand operating temperatures of up to 130 °C over a long period of time. Applied using a proprietary process to produce a void-free liner.
3 of 5 4Outer film
Special thermoplastic foil guarantees smooth and safe product installation and handling.
4 of 5 Host pipeHost pipe made of steel.
5 of 5The Layers of the Liner
1. Inner film
2. Multiple carbon fiber layers
3. Resin
4. Outer film
For more information hover / click on the rectangle buttons.